Robert C. Jachens
U.S. Geological Survey, Menlo Park, CA
Activity
2016
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INFLUENCE OF THE PENINSULAR RANGES BATHOLITH ON THE SOUTHERN SAN ANDREAS FAULT SYSTEM, CALIFORNIA
28 Insights into the Late Cenozoic Evolution of Crustal Blocks in Southern California from New Geologic, Geophysical, and Geomorphic DataWednesday, 6 April 20161:30 PM - 5:30 PMMeeting Room 200 C
2013
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INSIGHTS INTO STRUCTURE WITHIN A SUBDUCTION-ZONE COMPLEX FROM SIMPLE, CURVILINEAR MAGNETIC ANOMALIES IN THE COASTAL BELT OF THE FRANCISCAN COMPLEX, NORTHERN CALIFORNIA
31 Tectonic Processes that Build the Stratigraphic and Structural Record of Ancient and Modern Convergent Margin (Posters)Wednesday, 22 May 20138:00 AM - 12:00 PMSalon B/C
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TRANSTENSIONAL RIFTING ASSOCIATED WITH VOLCANISM DURING ACCRETION OF LATE CRETACEOUS-EOCENE SEAMOUNT REMNANTS IN THE FRANCISCAN COMPLEX COASTAL BELT, NORTHERN CALIFORNIA
1 Tectonic Processes that Build the Stratigraphic and Structural Record of Ancient and Modern Convergent MarginMonday, 20 May 20138:00 AM - 12:00 PMSalon A1
2010
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A THREE-DIMENSIONAL GEOLOGIC MAP OF THE CENTRAL CALIFORNIA COAST RANGES
29 New Insights into Tectonics of the Central California Coast Ranges—The Link between Los Angeles and San Francisco (Posters)Friday, 28 May 20108:30 AM - 12:00 PMPlatinum 5-6
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IMPLICATIONS OF CUMULATIVE OFFSETS ALONG THE SAN GREGORIO-HOSGRI FAULT, CALIFORNIA: WHY THE SANTA MARIA BASIN MATTERS
31 New Insights into Tectonics of the Central California Coast Ranges—The Link between Los Angeles and San FranciscoFriday, 28 May 20101:30 PM - 5:00 PMPlatinum 3
2009
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DEFINING FAULT OFFSETS FROM AEROMAGNETIC ANOMALIES: CENTRAL CALIFORNIA COAST RANGES
T101 Geologic Maps, Digital Geologic Maps, Geophysical Maps, and Derivatives from Geologic Maps (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
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MAPPING LAYERS IN THE FRANCISCAN COMPLEX AND FAULTS OF THE SAN ANDREAS SYSTEM WITH NEW AEROMAGNETIC DATA IN THE NORTHERN COAST RANGES, CALIFORNIA
T101 Geologic Maps, Digital Geologic Maps, Geophysical Maps, and Derivatives from Geologic Maps (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
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CONSTRUCTING A 3D GEOLOGIC MAP
T7 Geological Mapping: Key to Successful Management of Water and Land Resources ISunday, 18 October 20098:00 AM - 12:00 PMB116
2008
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AEROMAGNETIC SIGNATURES REVEAL STRATIGRAPHIC AND STRUCTURAL RELATIONS IN THE FRANCISCAN COMPLEX EAST OF THE SAN ANDREAS FAULT, NORTHERN CALIFORNIA
10 Structural Geology and Tectonics (Posters)Wednesday, 19 March 20081:30 PM - 5:30 PM
2007
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ROLES OF SLAB WINDOW MIGRATION, FAULT GEOMETRY AND TECTONIC WEDGING IN CRUSTAL EVOLUTION EAST OF THE NORTHERN SAN ANDREAS FAULT
T181 Active and Ancient Tectonics along the Northern Cordillera Margin—Magmatism, Deformation, Metamorphism, and Basin Development (Posters)Tuesday, 30 October 20071:30 PM - 5:30 PM
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QUANTITATIVE FOUR-DIMENSIONAL RECONSTRUCTION OF THE CENTRAL SAN ANDREAS FAULT AND ADJACENT CRUST, NORTHERN CALIFORNIA: PROOF OF CONCEPT ALONG THE SANTA CRUZ MOUNTAINS SEGMENT
T15 Combining Geophysics and Geology to Solve Geoscience Problems ISunday, 28 October 20078:00 AM - 12:00 PM
2005
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CONSTRAINTS ON EVOLUTION AND LONG-TERM SLIP RATES FOR EASTERN FAULTS OF THE SAN ANDREAS TRANSFORM BOUNDARY FROM TEPHROCHRONOLOGY, NEW 39AR/40AR AGES, GEOLOGIC MAP RELATIONS, GRAVITY AND MAGNETIC DATA
T74 Advances and Applications of Tephrochronology and Tephrostratigraphy II: In Honor of Andrei M. Sarna-WojcickiMonday, 17 October 200510:00 AM - 12:00 PM
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THREE-DIMENSIONAL GEOLOGIC MAP OF THE SANTA CLARA VALLEY AND ADJACENT UPLANDS, CALIFORNIA
39 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science (Posters)Sunday, 1 May 20059:00 AM - 5:00 PM
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SERPENTINITES IN THE SAN JOSE AREA, CALIFORNIA
39 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science (Posters)Sunday, 1 May 20059:00 AM - 5:00 PM
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BASIN STRUCTURE BENEATH THE SANTA ROSA PLAIN, NORTHERN CALIFORNIA, AND ITS POSSIBLE INFLUENCE ON DAMAGE PATTERNS FROM THE 1906 AND 1969 EARTHQUAKES
35 Late Cenozoic Transition from Subduction to Transform Margin Inboard of the San Andreas Fault: Northern San Francisco Bay Area to Cape MendocinoSunday, 1 May 20057:50 AM - 12:20 PM
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STRUCTURE OF THE MONTE VISTA FAULT ZONE, SOUTHWEST SANTA CLARA VALLEY, CALIFORNIA, USING GEOLOGIC, POTENTIAL-FIELD AND SEISMIC DATA
39 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science (Posters)Sunday, 1 May 20059:00 AM - 5:00 PM
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LATE CENOZOIC STRATIGRAPHIC AND TECTONIC HISTORY OF THE SANTA CLARA VALLEY, CALIFORNIA
17 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science ISaturday, 30 April 20057:55 AM - 12:00 PM
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SEISMICITY AND THE MAJOR STRIKE-SLIP FAULTS BORDERING THE SANTA CLARA VALLEY, CALIFORNIA
17 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science ISaturday, 30 April 20057:55 AM - 12:00 PM
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CONCEALED SEDIMENTARY BASINS BENEATH THE SANTA CLARA VALLEY, CALIFORNIA
17 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science ISaturday, 30 April 20057:55 AM - 12:00 PM
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CONSTRAINTS ON FAULTS AND BASINS WITHIN THE SANTA CLARA VALLEY, CALIFORNIA, FROM SEISMIC-REFLECTION DATA
17 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science ISaturday, 30 April 20057:55 AM - 12:00 PM
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QUATERNARY DEPOSITS OF THE SANTA CLARA VALLEY, CALIFORNIA
17 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science ISaturday, 30 April 20057:55 AM - 12:00 PM
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SANTA CLARA VALLEY-BOUNDING FAULTS CHARACTERIZED BY STRUCTURAL SUPERPOSITION
17 A New Three-Dimensional Look at the Geology, Geophysics, and Hydrology of the Santa Clara Valley, California: A Showcase of Urban Earth Science ISaturday, 30 April 20057:55 AM - 12:00 PM
2004
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DEEP SECRETS OF FAULTS, BLOCKS, AND BASINS REVEALED BY GRAVITY, MAGNETIC, AND GEOLOGIC DATA IN SOUTHERN CALIFORNIA
131 Tectonics II: Central Cordillera to the Middle and Far EastTuesday, 9 November 20048:00 AM - 12:00 PM
2003
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A THREE-DIMENSIONAL GEOLOGIC MAP OF THE SAN JOAQUIN BASIN, CALIFORNIA
T32 Geological Mapping: Key to Successful Management of Water and Land Resources (Posters)Sunday, 2 November 20038:00 AM - 12:00 PM
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VARIED EVIDENCE FOR A BLIND THRUST BENEATH THE SOUTHWESTERN SANTA CLARA (SILICON) VALLEY, CALIFORNIA: A PRODUCT OF 3-DIMENSIONAL MAP ANALYSIS
T32 Geological Mapping: Key to Successful Management of Water and Land Resources (Posters)Sunday, 2 November 20038:00 AM - 12:00 PM
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FRAMEWORK OF THE RIGHT-STEPPED RODGERS CREEK - MAACAMA FAULT SYSTEM, NORTHERN SAN FRANCISCO BAY REGION, CALIFORNIA
T32 Geological Mapping: Key to Successful Management of Water and Land Resources (Posters)Sunday, 2 November 20038:00 AM - 12:00 PM
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CRUSTAL STRUCTURE OF THE PENINSULAR RANGES BATHOLITH FROM AEROMAGNETIC DATA: IMPLICATIONS FOR GULF OF CALIFORNIA RIFTING
5 Tectonics, Structure, and Geophysics of the Gulf of California–Salton Trough Region ITuesday, 1 April 20038:20 AM - 12:05 PM
2002
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BUILDING HYDROGEOLOGIC FRAMEWORK MODELS OF BASINS: CONTRIBUTIONS FROM GEOPHYSICALLY-BASED ‘ELEMENTS’
T175 Hydrogeologic Framework and Basin Hydrology of the Desert Southwestern United StatesTuesday, 29 October 20021:30 PM - 5:30 PM
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YOUNG STRIKE-SLIP BASIN ON THE CALAVERAS FAULT IN SAN FELIPE VALLEY, CA
40 Active Faults of California (Posters)Wednesday, 15 May 20021:30 PM - 5:30 PM
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BASINS AND PLUTONS ALONG THE SAN JACINTO FAULT ZONE, SAN BERNARDINOVALLEY TO SAN JACINTO VALLEY, SOUTHERN CALIFORNIA
32 Active Faults of CaliforniaWednesday, 15 May 20028:00 AM - 12:00 PM
2001
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THE EMERSON LAKE BODY: A DENSE, MAGNETIC KNOT WITHIN THE EASTERN CALIFORNIA SHEAR ZONE
48 Hector Mine and Other Major 1999 EarthquakesWednesday, 11 April 20011:20 PM - 4:30 PM
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STRUCTURE OF THE SAN FERNANDO BASIN, CALIFORNIA, BASED ON ANALYSIS OF GRAVITY AND MAGNETIC DATA
26 Heart of the Transverse Ranges: Geology and Tectonics of the LARSE II Region (San Fernando Valley, East Ventura Basin, and San Gabriel Fault) ITuesday, 10 April 20018:00 AM - 11:50 AM
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STRUCTURES POSSIBLY RELATED TO THE 1971 SAN FERNANDO AND 1987 WHITTIER NARROWS EARTHQUAKES BASED ON THE ANALYSIS OF MAGNETIC AND GRAVITY DATA
32 Heart of the Transverse Ranges: Geology and Tectonics of the LARSE II Region (San Fernando Valley, East Ventura Basin, and San Gabriel Fault) IITuesday, 10 April 20011:30 PM - 4:30 PM
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3-DIMENSIONAL GEOLOGIC MAP OF THE SANTA CLARA ("SILICON") VALLEY, CALIFORNIA
10 New Geologic Maps and 3D Images (Posters)Monday, 9 April 20018:00 AM - 12:00 PM
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GIS TOOLS FOR THE CONSTRUCTION OF 3D GEOLOGIC MODELS
11 3D Visualization and Geologic ModelingMonday, 9 April 20011:40 PM - 4:30 PM
Date Unknown
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STRUCTURE OF THE SAN GORGONIO PASS REGION, SOUTHERN CALIFORNIA, BASED ON ANALYSIS OF GRAVITY AND MAGNETIC DATA
57 New Geologic Research Along the Plate's Edge: The USGS Southern California Areal Mapping Project (SCAMP) (Posters)
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ANALYSIS OF GEOPHYSICAL DATA SUPPORT ONGOING SEISMIC-HAZARD EVALUATIONS IN SOUTHERN NEVADA
T198 Seismic Hazards and Neotectonics in Southern Nevada (Posters)
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Unraveling the History of the Peninsula Segment of the San Andreas Fault Using a 4-D Geologic Map
T251 EarthScope: Bringing Geology and Geophysics Together to Study the 4-D Evolution of the Lithosphere (Posters)